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37793 (1997 WE)
Classification: Main-belt Asteroid          SPK-ID: 2037793
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01015762372505982 4.526e-08  
a 2.14805095666422 6.9351e-09 au
q 2.12623186330417 1.0008e-07 au
i 2.971084982702002 4.5192e-06 deg
node 30.8282112237985 7.7857e-05 deg
peri 163.4610330228895 0.00024948 deg
M 287.0932320256595 0.00023982 deg
tp 2459233.379168345831
(2021-Jan-18.87916835)
0.0007665 TDB
period 1149.913827396729
3.15
5.5688e-06
1.525e-08
d
yr
n .3130669372112848 1.5161e-09 deg/d
Q 2.16987005002427 7.0055e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1345  
   data-arc span      8110 days (22.20 yr)  
   first obs. used      1997-11-18  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53497  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:38:19  

Additional Information
 Earth MOID = 1.12047 au 
 Jupiter MOID = 2.78494 au 
 T_jup = 3.706 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO395360  

37793 (1997 WE)          Discovered 1997-Nov-18 by Kobayashi, T. at Oizumi
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 WE = 1999 JY51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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